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Finding the Fourth Proportional to 342,674.18, 514,482.96 and 174,308.45

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Solution

The fourth proportional to 342,674.18, 514,482.96 and 174,308.45 is: 261,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,674.18 : 514,482.96 = 174,308.45 : x
  2. Step 2: Convert to fraction form
    342,674.18/514,482.96 = 174,308.45/x
  3. Step 3: Cross multiply
    342,674.18x = 514,482.96 × 174,308.45
  4. Step 4: Simplify right side
    342,674.18x = 89,678,724,736.60
  5. Step 5: Solve for x
    x = 89,678,724,736.60/342,674.18
  6. Step 6: Final answer
    x = 261,702.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.